Comparison

ASRA Coags vs Periop Pacemaker

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

ASRA Coags

This app provides quick access to anticoagulation guidelines for regional anesthesia and interventional pain procedures. It offers drug-specific summaries, recommendations based on procedure type, and detailed information on medication mechanisms and guideline documents.

Highlights
  • Anticoagulation guideline reference
  • Drug-specific summary information
  • Regional anesthesia guidelines
  • Interventional pain guidelines
  • Search by drug or procedure
  • Recommendations by block and intervention type
Features
Read full description

The ASRA COAGS app has been updated with a universal code base and a fresh new look. This subscription-based app is $6.99/annually or free with ASRA Pain Medicine membership. The app transforms the American Society of Regional Anesthesia and Pain Medicine anticoagulation guidelines for Regional Anesthesia and Interventional Pain Procedures into a quick and easy reference for your practice. It provides rapid access to drug-specific summary information. This version combines the most current recommendations from two separate publications: 1. The 2025 guidelines “Regional anesthesia in the patient receiving antithrombotic or thrombolytic therapy: American Society of Regional Anesthesia and Pain Medicine Evidence- Based Guidelines (Fifth Edition)” published in Regional Anesthesia & Pain Medicine. 2. The 2018 Interventional Pain guidelines from the publication “Interventional Spine and Pain Procedures in Patients on Antiplatelet and Anticoagulant Medications (Second Edition); Guidelines From the American Society of Regional Anesthesia and Pain Medicine, the European Society of Regional Anaesthesia and Pain Therapy, the American Academy of Pain Medicine, the International Neuromodulation Society, the North American Neuromodulation Society, and the World Institute of Pain” published in Regional Anesthesia & Pain Medicine. The app provides direct access to both the regional guidelines and the pain guidelines, also allowing you to choose a default and focus on your specific practice area. Regional Guidelines: 1. Search for drugs by brand name or generic name. 2. Get recommendations based on the block type (e.g. neuraxial, peripheral, obstetric) and the intervention type (e.g. placing a block or removing a catheter). 3. Access more detailed information by using the Information "i" button: a. Mechanism of action for each drug. b. Executive summary for each drug. c. The full 2025 ASRA Pain Medicine regional guideline document. Pain Guidelines: 1. Search for drugs by brand name or generic name. Or start your search by procedure. 2. Get recommendations for: a. High, intermediate, and low risk procedures. b. Modifiers for patients at higher bleeding risk. c. Herbal medications. d. Antidepressant medications. e. When to restart medications after a procedure. 3. Access more detailed information for any drug by using the Information "i" button: a. Mechanism of action for each drug. b. Executive summary for each drug. c. The full 2018 ASRA Pain Medicine interventional pain guideline document. Members of ASRA Pain Medicine receive all society apps for free with their membership. To learn more or to join, visit asra.com/membership. Non-members have access to the content with a low-cost annual subscription.

About

Periop Pacemaker

This app provides medical professionals with a decision algorithm for managing surgical patients with implantable defibrillators or pacemakers. It is based on guidelines endorsed by the Heart Rhythm Society and updated annually by an expert committee.

Highlights
  • Decision algorithm for pacemaker/defibrillator management
  • Endorsed by Heart Rhythm Society
  • Based on ASA Perioperative Cardiac Implantable Electronic Device Management Aid
  • Annual expert committee updates
  • Designed for medical professionals
Features
Read full description

Periop Pacemaker is a smartphone app that assists medical professionals who take care of surgical patients that have implantable defibrillators or pacemakers. The decision algorithm is endorsed by the Heart Rhythm Society and is based on the American Society of Anesthesiologists Perioperative Cardiac Implantable Electronic Device Management Aid. As device technology evolves, an expert committee of anesthesiologists, cardiologists, and device representatives will meet annually to keep information up-to-date. Disclaimer: ASA Pacemaker is designed for use by medical professionals only. Accessing the app content requires either a one-time payment of $7.99 USD or an annual subscription payment of $2.99 USD. A 30-day free trial is available under the annual subscription plan.

Screenshots

ASRA Coags4 screens
Periop Pacemaker4 screens

Verdict

The call

The clearest difference is review sentiment: Periop Pacemaker at 100% against ASRA Coags's 9%. Periop Pacemaker also leads on rating (5.0 vs 1.3) and update cadence (every 2 months vs every 3 months). ASRA Coags's advantage is in-app purchases (none vs 2) and ratings volume (407 vs 8). On price, ads, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Periop Pacemaker sells 2 in-app purchases, starting at $2.99 per year. ASRA Coags asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Periop Pacemaker holds the better App Store score, 5.0 against 1.3. That said, the two scores are not equally well evidenced: ASRA Coags has 407 ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 9% of ASRA Coags's written reviews are positive against 100% of Periop Pacemaker's.

UpkeepUpdate frequency

ASRA Coags ships an update every 3 months, Periop Pacemaker every 2 months. The most recent releases landed on October 16, 2026 and September 27, 2026 respectively.

Scorecard6 real differences · 4 level
ASRA Coags versus Periop Pacemaker: the parameters behind the verdict, then further details
ParameterASRA CoagsPeriop Pacemaker
PriceFreeFree
Rating1.3 (407 ratings)5.0 (8 ratings) — better
Positive reviews8.9% of reviews100.0% of reviews — better
Number of ratings407 — better8
Update frequencyEvery 3 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationSubscriptionFree with in-app purchases — better
DevicesiPhone, iPodiPhone, iPod
Requires iOS13.413.0 — better
Further details — not scored
Size27 MB43 MB
Age rating17+17+
DeveloperAmerican Society of Regional Anesthesia and Pain MedicineRhythm Management, LLC

Customer experience

ASRA Coags

All ratings407 ratings
Positive6.6%
Neutral0.2%
Negative93.1%
Written reviews225 reviews
Positive8.9%
Neutral0.4%
Negative90.7%

Periop Pacemaker

All ratings8 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews5 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

ASRA Coags

No in-app purchases

2 purchases

Periop Pacemaker

Subscriptions1
  • PERIOP PACEMAKER ANNUAL FEE1 Month trial$2.991 Year
One-time1
  • Periop Pacemaker$7.99

Questions

Is ASRA Coags free?
ASRA Coags is free to download, with no in-app purchases.
Is Periop Pacemaker free?
Periop Pacemaker is free to download, with in-app purchases available.
Which has better reviews, ASRA Coags or Periop Pacemaker?
Periop Pacemaker is rated higher. ASRA Coags averages 1.3 out of 5 from 407 ratings, while Periop Pacemaker averages 5.0 from 8 ratings.
Do ASRA Coags or Periop Pacemaker have ads?
Neither ASRA Coags nor Periop Pacemaker shows ads.
Which is updated more often, ASRA Coags or Periop Pacemaker?
ASRA Coags ships an update every 3 months, and Periop Pacemaker every 2 months. Most recently, ASRA Coags was updated on October 16, 2026 and Periop Pacemaker on September 27, 2026.

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